package cn.edt.ctbu.thymeleaf.aspect;

import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.stereotype.Component;
import org.springframework.util.StopWatch;

@Component
@Aspect
@Slf4j
public class HttpAspect {
    @Pointcut("execution(* cn.edt.ctbu.thymeleaf.webapi.StudentRestController.*(..))")
    public void log(){

    }
    @Before("log()")
    public void doBefore(){
        System.out.println("准备开始执行list...");
    }
    @After("log()")
    public void doAfter(){
        System.out.println("执行api完，准备返回...");
    }
    @AfterReturning(returning = "object",pointcut = "log()")
    public void AfterR(Object object){
        log.info("response={}",object);
    }
    @Around("log()")
    public Object around(ProceedingJoinPoint pjp) throws  Throwable{
        StopWatch stopWatch=new StopWatch();
        stopWatch.start();
        Object obj=pjp.proceed(pjp.getArgs());
        stopWatch.stop();
        Long cost=stopWatch.getLastTaskTimeMillis();
        MethodSignature signature=(MethodSignature) pjp.getSignature();
        String methodName=signature.getDeclaringTypeName()+"."+signature.getName();
        log.info("--------执行"+methodName+"方法，用时:"+cost+"ms--------");
        return obj;
    }

}
